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Plasma surface treatment has many advantages over other wet techniques. In this work, we focused on surface modification by introducing ‐COOH groups onto the polymer surface by means of surface‐wave plasma. To introduce ‐COOH groups onto the surface, we added a small amount of acetic acid (CH3COOH) vapor to the argon plasma. The water contact angle on the polycarbonate surface decreased from 70° to...
Gas barrier characteristics of hydrogenated amorphous carbon (a-C:H) thin films coated on polymer sheets using the large-area surface-wave plasma (SWP) were studied. With SWP in He and CH 4 gas mixture, a-C:H films were deposited over about 100 mm in diameter on high density polyethylene or polyethylene terephthalate (PET) sheets at temperature less than 70 °C. Experimental results show that...
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